How To Fix MW057 - Unit of measure & not defined for material &.

SAP Error Message - Details

• Message type: E = Error

• Message class: MW - Messages IS-R / Allocation Tables

• Message number: 057

• Message text: Unit of measure & not defined for material &.

What causes this issue?

The system issues an error message and will not allow you to continue with this transaction until the error is resolved.

System Response

INCLUDE ISR_VERARBEITUNG

How to fix this error?

Use a different unit of measure or maintain unit of measure &V1& for
material &V2& in the material master.

Error message extract from SAP system. Copyright SAP SE.

Smart SAP Assistant

• What is the cause and solution for SAP error message MW057 - Unit of measure & not defined for material &. ?

  The SAP error message MW057 indicates that a unit of measure (UoM) is not defined for a specific material in the system. This error typically occurs when you are trying to perform an operation involving a material that does not have a defined unit of measure in the system.
  Cause:
  
  Missing Unit of Measure: The material in question does not have a unit of measure defined in the material master data.
  Incorrect Configuration: The unit of measure might not be properly configured in the system.
  Material Master Data Issues: The material master record may be incomplete or incorrectly set up.
  
  Solution:
  To resolve the MW057 error, you can follow these steps:
  
  
  Check Material Master Data:
  
  Go to the transaction code MM03 (Display Material) and enter the material number that is causing the error.
  Check the "Basic Data" and "Purchasing" views to see if the unit of measure is defined.
  
  
  
  Define Unit of Measure:
  
  If the unit of measure is missing, you can add it by using transaction code MM02 (Change Material).
  Navigate to the relevant views (e.g., Basic Data, Purchasing) and ensure that the unit of measure is defined.
  
  
  
  Check UoM Conversion:
  
  If you are using multiple units of measure, ensure that the conversion factors are correctly defined. You can check this in the "Units of Measure" tab in the material master.
  
  
  
  Check UoM Settings:
  
  Ensure that the unit of measure is defined in the UoM table (transaction code OMU1 for maintaining units of measure).
  Verify that the UoM is active and correctly configured.
  
  
  
  Check for Customizations:
  
  If your organization has custom developments or enhancements, ensure that they are not interfering with the standard UoM functionality.
  
  
  
  Consult Documentation:
  
  If you are unsure about the correct UoM to use, consult your organization's documentation or speak with a materials management expert.
  
  
  
  Related Information:
  
  Transaction Codes:
  
  MM03: Display Material
  MM02: Change Material
  OMU1: Maintain Units of Measure
  
  
  Material Master Views: Basic Data, Purchasing, Sales, and Distribution.
  Unit of Measure Types: Ensure that the UoM type (e.g., base unit, alternative unit) is correctly assigned.
  
  By following these steps, you should be able to resolve the MW057 error and ensure that the material has the necessary unit of measure defined in the system.